Finding the Fourth Proportional to 700,934.08, 967,288.08 and 399,128.08
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Solution
The fourth proportional to 700,934.08, 967,288.08 and 399,128.08 is: 550,796.21
Step by Step Solution
- Step 1: Write the proportion equation
700,934.08 : 967,288.08 = 399,128.08 : x - Step 2: Convert to fraction form
700,934.08/967,288.08 = 399,128.08/x - Step 3: Cross multiply
700,934.08x = 967,288.08 × 399,128.08 - Step 4: Simplify right side
700,934.08x = 386,071,834,177.29 - Step 5: Solve for x
x = 386,071,834,177.29/700,934.08 - Step 6: Final answer
x = 550,796.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.